Finding the Fourth Proportional to 81,271.39, 112,159.47 and 45,463.81

Step by Step Solution

1. Step 1: Write the proportion equation
   81,271.39 : 112,159.47 = 45,463.81 : x
2. Step 2: Convert to fraction form
   81,271.39/112,159.47 = 45,463.81/x
3. Step 3: Cross multiply
   81,271.39x = 112,159.47 × 45,463.81
4. Step 4: Simplify right side
   81,271.39x = 5,099,196,833.78
5. Step 5: Solve for x
   x = 5,099,196,833.78/81,271.39
6. Step 6: Final answer
   x = 62,742.83